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Stepfather in Irish (Leasathair): Meaning, Pronunciation, Usage

The Irish for stepfather is leasathair, a masculine noun (plural leasaithreacha).
Updated October 2026Report a mistake

How to say “stepfather” in Irish

Irish:
leasathair
English:
stepfather
Word type:
noun
Gender:
masculine
Pronunciation:
“LAS-a-hir”  /ˈl̠ʲasˌahəɾʲ/
Various forms
Plural:
leasaithreacha (stepfathers)
Genitive singular:
leasathar, an leasathar (e.g. teach an leasathar, the stepfather's house)
Genitive plural:
leasaithreacha, na leasaithreacha (e.g. ról na leasaithreacha, the role of the stepfathers)

What does “leasathair” mean?

stepfather
The man who is married to your mother but is not your biological father.Also: step-father, stepdad.

“Leasathair” with the article

The plural of stepfather in Irish is leasaithreacha. Here is leasathair after the article (an t-alt), in the singular and the plural.

an leasathair
the stepfather
No change after an
na leasaithreacha
the stepfathers
Plural: no change after na

“Leasathair” in a sentence: Irish examples

Common Irish sentences using leasathair, the Irish word for stepfather.

Is fear deas é mo leasathair.
My stepfather is a nice man.
Tá leasathair nua agam ó phós mo mháthair arís.
I have a new stepfather since my mother remarried.
Tá mo leasathair ag obair sa gharraí.
My stepfather is working in the garden.
Chuaigh mé ar saoire le mo leasathair.
I went on holiday with my stepfather.
Is é carr mo leasathar atá agam inniu.
I have my stepfather's car today.
Tá a leasathair an-chineálta léi.
Her stepfather is very kind to her.
Réitíonn sí go maith lena leasathair.
She gets on well with her stepfather.

Other nouns in Irish

More everyday Irish nouns to learn next.

Stepfather in Irish: frequently asked questions

What is the Irish for stepfather?

The Irish for stepfather is leasathair (pronounced “LAS-a-hir”). It’s a masculine noun and the plural is leasaithreacha.

How do you pronounce leasathair in Irish?

Leasathair is said like “LAS-a-hir” (IPA /ˈl̠ʲasˌahəɾʲ/).

What is the plural of stepfather in Irish?

The plural of leasathair is leasaithreacha; with the article, na leasaithreacha means “the stepfathers”. The genitive plural is leasaithreacha, as in ról na leasaithreacha (the role of the stepfathers).

What does the prefix 'leas-' mean in leasathair?

The prefix 'leas-' means 'step-', so leasathair is stepfather and leasmháthair is stepmother.

Is leasathair the same as father-in-law?

No, father-in-law is 'athair céile'; leasathair means only stepfather.

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